Year	Number
1996	62.2950820922852
1998	59.0163917541504
2000	63.3879776000977
2002	64.8648681640625
2003	61.0810813903809
2004	56.7164192199707
2005	56.8627433776855
2006	54.634147644043
2007	53.8834953308105
2008	56.7961158752441
2009	58.8516731262207
2010	59.3301429748535
2011	59.7156410217285
2012	60.6635055541992
2013	61.1374397277832
2014	36.0576934814453
2015	35.7142868041992
2016	34.761905670166
2017	18.5714282989502
2018	17.1428565979004
2019	15.7142858505249
2020	17.619047164917
2021	20
2022	22.1698112487793